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Arithmetic Aptitude :: Square Root and Cube Root

Square Root and Cube Root - Important Formulas
Square Root and Cube Root - General questions
Square Root and Cube Root - Dummy 5
Square Root and Cube Root - [data sufficiency 1]

  1. If a = 0.1039, then the value of √4a2 - 4a + 1 + 3a is:

    2. A.
    13.41
    B.
    20.46
    C.
    21.66
    D.
    22.35

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  2. If 3√5 + √125 = 17.88, then what will be the value of √80 + 6√5 ?

    3. A.
    1.05
    B.
    1.25
    C.
    1.45
    D.
    1.55

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  3. √1.5625 = ?

     
    4. A.
    213444
    B.
    214344
    C.
    214434
    D.
    231444

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  4. The least perfect square, which is divisible by each of 21, 36 and 66 is:

    5. A.
    12
    B.
    14
    C.
    144
    D.
    196

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  5.  
    What should come in place of both x in the equation x = √162 .
    √128 x
    6. A.
    6
    B.
    .06
    C.
    77
    D.
    87

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